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Old 10th December 2009, 05:14 PM
kennedy Offline
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Join Date: Dec 2009
Posts: 4
Gunze Touchscreen --FC12

I've been given a laptop on which to install FC12. I am a Slackware man. I'm having no luck in finding how to get the last piece of this puzzle into place. I have a touchscreen:
90: udi = '/org/freedesktop/Hal/devices/usb_device_637_1_noserial'
  info.vendor = 'GUNZE'  (string)
  linux.hotplug_type = 2  (0x2)  (int)
  linux.subsystem = 'usb'  (string)
  usb_device.linux.sysfs_path = '/sys/devices/pci0000:00/0000:00:1d.2/usb4/4-1'  (string)
  usb_device.configuration_value = 1  (0x1)  (int)
  usb_device.num_configurations = 1  (0x1)  (int)
  usb_device.num_interfaces = 1  (0x1)  (int)
  usb_device.device_class = 255  (0xff)  (int)
  usb_device.device_subclass = 255  (0xff)  (int)
  info.subsystem = 'usb_device'  (string)
  info.udi = '/org/freedesktop/Hal/devices/usb_device_637_1_noserial'  (string)
  usb_device.vendor_id = 1591  (0x637)  (int)
  usb_device.device_protocol = 255  (0xff)  (int)
  usb_device.vendor = 'GUNZE'  (string)
  usb_device.product = 'GUNZE Touch Panel'  (string)
  usb_device.max_power = 100  (0x64)  (int)
  usb_device.num_ports = 0  (0x0)  (int)
  usb_device.linux.device_number = 2  (0x2)  (int)
  info.product = 'GUNZE Touch Panel'  (string)
  usb_device.version = 2  (double)
  usb_device.is_self_powered = false  (bool)
  usb_device.speed = 1.5  (double)
  usb_device.bus_number = 4  (0x4)  (int)
  linux.device_file = '/dev/bus/usb/004/002'  (string)
  info.bus = 'usb_device'  (string)
  usb_device.product_id = 1  (0x1)  (int)
  usb_device.can_wake_up = true  (bool)
  usb_device.device_revision_bcd = 512  (0x200)  (int)
  linux.sysfs_path = '/sys/devices/pci0000:00/0000:00:1d.2/usb4/4-1'  (string)
  info.parent = '/org/freedesktop/Hal/devices/usb_device_1d6b_1_0000_00_1d_2'  (string)
  info.linux.driver = 'usb'  (string)
and do not know how to get Gnome to see it.

I do know that the device is working at the OS level: cat /dev/input/mouse3 shows data when I touch the screen.

How do I get Gnome/FC12/Xorg to let this be an input device?

Thanks in advance for any help you can provide.
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Old 15th December 2009, 12:10 AM
kennedy Offline
Registered User
Join Date: Dec 2009
Posts: 4
More information:

The touchscreen shows up as a synaptic. Everything I've seen shows it should be a evdev. Does anyone have a clue how to make it prefer the evdev driver over the synaptic?
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Old 16th December 2009, 10:42 PM
kennedy Offline
Registered User
Join Date: Dec 2009
Posts: 4
More info:

The file /usr/share/hal/fdi/policy/20thirdparty/10-synaptics.fdi is problematic for me. So, I remove this file and viola! it works. Okay, now, I read in this file this text
     This file will be overwritten with the next update. If you need to
     add custom options, copy the file into /etc/hal/fdi/policy/ first.

     See https://fedoraproject.org/wiki/Input_device_configuration -->
which I did, however, I want to know what is the BEST way about getting this driver off my back. Turns out that the hal reports the GUNZE touch screen as a touch PAD -- which is a bit of an error, but who cares about that. So, the synaptic driver hal considers the BEST FIT since it matches key="info.capabilities" contains="input.touchpad". Uh oh. So, I could do a file /etc/hal/fdi/policy/10-synaptics.fdi with
<?xml version="1.0" encoding="ISO-8859-1"?>
  <deviceinfo version="0.2">
      <match key="input.product" contains="synaptics">
         <remove key="input.x11_driver"></remove>
but is this really necessary and, more importantly, is this the BEST way?
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fc12, gunze, touchscreen

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